<template>
  <div class="login_contaier">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avater_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form
        ref="loginFormRef"
        label-width="0px"
        :model="FormLogin"
        :rules="LoginFormRuls"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="icon-user"
            v-model="FormLogin.username"
          ></el-input>
        </el-form-item>

        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="iconfont icon-3702mima"
            v-model="FormLogin.password"
            type="password"
          ></el-input>
        </el-form-item>

        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="AddCz">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>


<script>
export default {
  data() {
    return {
      FormLogin: {
        username: 'admin',
        password: '123456'
      },
      LoginFormRuls: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    AddCz() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async vali => {
        if (!vali) return // 如果数据校验不成功
        const { data: res } = await this.$http.post('login', this.FormLogin)
        if (res.meta.status != 200)
          return this.$message.error('登录失败，请重试！')
        this.$message.success('登录成功')
        console.log(res.data)
        window.sessionStorage.setItem('token', res.data.token)
        //跳转
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_contaier {
  background-color: rgba(22, 146, 204, 0.4);
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avater_box {
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd; //向外阴影
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px; //左右边距
  box-sizing: border-box; //防止把表单挤出去
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
